Avermectins

Question 1

What are Avermectins considered to be?

Answer 1

a popular antiparasitic used in large animals

Question 2

Examples of Avermectins

4

Answer 2

1. ivermectin
2. moxidectin
3. doramectin
4. selamectin (Revolution)

Question 3

How do Avermectins effect parasites?

Answer 3

kills parasites by interfering with their CNS

Question 4

What animals are Avermectins mostly used for?

Answer 4

large animals

Question 5

What type of parasites are Avermectins used against? (2)

Answer 5

1. internal

2. external

Question 6

What are Avermectins effective against in horses? (4)

Answer 6

1. bots
2. ascarids
3. strongyles
4. pinworms

Question 7

What are Avermectins effective against in cattle? (3)

Answer 7

1. trichostrongyles
2. lungworms
3. sucking lice

Question 8

What are Avermectins effective against in swine? (4)

Answer 8

1. ascarids
2. strongyles
3. lungworms
4. mites

Question 9

What are Avermectins effective against in dogs and cats? (4)

Answer 9

1. heartworm microfilaria
2. acarids and hookworms in cats
3. fleas
4. mites

Question 10

What breeds of dog can you not use Avermectins on?

Answer 10

1. Collies
2. Shelties
3. Australian Shepherds

Question 11

Why can’t specific breeds of dogs have Avermectins?

Answer 11

they lack a gene MDR-1 that helps remove drugs from the CNS (genetic mutation)

Question 12

What are the precautions for using Avermectins in horses and cattle?

Answer 12

can develop inflammatory reaction to dead parasites